UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y0cS4VW7F15UPXvy5fgREO+82DWrFXaoHUxhc2cn7n0=' 
WHERE 
  key_id = '81861801837e0cda11ff4ed6a90f6f66aada9f069e72e69ff61fa0f786d71011' 
  AND (
    token = 'Y0cS4VW7F15UPXvy5fgREO+82DWrFXaoHUxhc2cn7n0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )